{% load bootstrap3 %}
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <title> 学习笔记</title>
    {% bootstrap_css %}
    {% bootstrap_javascript %}
</head>
<body>
<!-- Static navbar -->
    <nav class="navbar navbar-default navbar-static-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">

          </button>
          <a class="navbar-brand" href="{%  url 'learning_logs:index'  %}">学习笔记</a>
        </div>
        <div id="navbar" class="navbar-collapse collapse">
          <ul class="nav navbar-nav">
              <li> <a href="{%  url 'learning_logs:topics'  %}">主题</a></li>
          </ul>
          <ul class="nav navbar-nav navbar-right">

             {% if user.is_authenticated %}
                 <li><a> Hello,{{ user.username }}</a></li>
                 <li><a href="{% url 'users:logout' %}">注销</a></li>
             {% else %}
                <li><a href="{%  url 'users:register' %}">注册</a></li>
                <li><a href="{%  url 'users:login' %}">登录</a></li>
             {% endif %}
          </ul>
        </div><!--/.nav-collapse -->
      </div>
    </nav>
    <div class="container">
        <div class="page-header">
            {% block header %}{% endblock header %}
        </div>
        <div>
             {% block content %}{% endblock content %}
        </div>


    </div>



</body>

</html>
